Which statement is true about water molecules?

The impact cellular respiration has on other organisms and the environment.

Why do ecosystems need a constant input of energy from an external source

Which of the following describes the role of nitrifying bacteria?

Explain what process the a cell must use to allow a protein to enter and why?

To maintain order within their cells and organs, all living things must a. constantly change. b. be able to move. c. reproduce. d. carry on metabolism. e. extract energy from sunlight

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.